diff --git a/README.md b/README.md
index f931a6b..eda020a 100644
--- a/README.md
+++ b/README.md
@@ -41,3 +41,4 @@
 67 / 8 = 8
 59 / 8 = 7
 65 - 92 = -27
+91 + 82 = 173